5681928 has 64 divisors (see below), whose sum is σ = 16773120. Its totient is φ = 1569600.

The previous prime is 5681911. The next prime is 5681933. The reversal of 5681928 is 8291865.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4663 + ... + 5753.

It is an arithmetic number, because the mean of its divisors is an integer number (262080).

Almost surely, 2^5681928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5681928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8386560).

5681928 is an abundant number, since it is smaller than the sum of its proper divisors (11091192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5681928 is a wasteful number, since it uses less digits than its factorization.

5681928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1134 counting only the distinct ones).

The product of its digits is 34560, while the sum is 39.

The square root of 5681928 is about 2383.6795086588. The cubic root of 5681928 is about 178.4426135074.

The spelling of 5681928 in words is "five million, six hundred eighty-one thousand, nine hundred twenty-eight".